6622667 has 8 divisors (see below), whose sum is σ = 6900192. Its totient is φ = 6350400.

The previous prime is 6622663. The next prime is 6622703. The reversal of 6622667 is 7662266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6622667 - 2² = 6622663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 3887.

It is an arithmetic number, because the mean of its divisors is an integer number (862524).

Almost surely, 2^6622667 is an apocalyptic number.

6622667 is a deficient number, since it is larger than the sum of its proper divisors (277525).

6622667 is a wasteful number, since it uses less digits than its factorization.

6622667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its digits is 36288, while the sum is 35.

The square root of 6622667 is about 2573.4542933575. The cubic root of 6622667 is about 187.7922387965.

The spelling of 6622667 in words is "six million, six hundred twenty-two thousand, six hundred sixty-seven".